With her chocolate locks cascading down her back, the stunner oozed confidence as she giggled away while the risqué image was taken by her pal Moises Arias, 21.

It's certainly been a special and extravagant birthday for the brunette beauty - who turned 20 on November 3 - as she splashed out $100,000 on a classic 1957 Corvette Stingray car as a birthday gift to herself.

Alex Manos, owner of the Beverly Hills Car Club, described the highly-coveted vehicle as a "great example" of its era, noting it was in good condition and hasn't been customised.